Anticoagulants are used prophylactically for all of the following condistions or disorders, except:
a. prevention of thrombus in pulmonary embolus
b. hypothyroidism
c. deep vein thrombosis
d. atrial fibrillation
Answer: b. hypothyroidism
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What chart information should be checked before performing artery puncture?
1. Patient's primary diagnosis and history 2. Presence of bleeding disorders or blood-borne infections 3. Anticoagulant or thrombolytic drug prescriptions 4. Respiratory care orders (e.g., O2 therapy) a. 1, 2, and 3 only b. 2 and 3 only c. 2, 3, and 4 only d. 1, 2, 3, and 4
Continuing education courses contribute to radiographic competence
Competent radiographers are key to quality assurance programs and reducing patient radiation exposure by avoiding retakes. a. The first statement is true. The second statement is false. b. The first statement is false. The second statement is true. c. Both statements are true. d. Both statements are false.
Which of the following is NOT a shadow-casting principle?
a. Use the largest possible source of radiation (focal spot). b. The tooth should be as far as possible from the source of radiation. c. The tooth and image receptor should be as close together as possible. d. The tooth and image receptor should be parallel to each other.
Examples of output devices are printers and ____.
A. keyboards B. scanners C. monitors D. modems E. motherboards